Horizontal Tangent Line Condition
For the curve defined by the equation xy + sin(y) = 4, a horizontal tangent line exists if:
A
dy/dx = 0
B
dx/dy = 0
C
dy/dx = ∞
D
dx/dy = ∞
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For the curve defined by the equation xy + sin(y) = 4, a horizontal tangent line exists if:
dy/dx = 0
dx/dy = 0
dy/dx = ∞
dx/dy = ∞
Not enough data yet to show leaderboard.